Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Leases, Operating [Abstract]
Operating Leases, Rent Expense	$ 10,100,000	$ 10,600,000	$ 8,100,000
Operating lease obligations [Abstract]
2014	8,187,000
2015	5,228,000
2016	3,400,000
2017	2,967,000
2018	2,509,000
2019 and thereafter	6,742,000
Total	$ 29,033,000